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Power Drain - location of ground points (archive)

[ Follow Ups ] [ 5-series (E28) Message Board ] [ Msg. Board FAQ ]

Posted by cbeers on June 17, 1999 at 11:52:26:

As per usual, I am experiencing as of late, an unual electrical condition. When I apply my brakes, the LED display on the OBC dims considerably and the radio (on the same circuit as the OBC) shuts off. Removing the rear beake light solves the problem, so obviously, there is a power drain in that circuit. Problem is that the rear brake lights and OBC are on different circuits. I guess its a bad common ground. Does anyone have any idea where that might be. Of not, I suppose I could run a new ground on the brake light circuit. Any help would be apprciated. Thanks.

'85 535i

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